TREA

in which only the generator field is controlled

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  • H02P7/347
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Parent Industries

HELECTRICITY H02Electric power H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS H02P7/00Arrangements for regulating or controlling the speed or torque of electric DC motors

Current Industry

H02P7/347in which only the generator field is controlled
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Energy efficient motor-generator
    • Patent number 12,136,897
    • Issue date Nov 5, 2024
    • PAL-K Dynamics Inc.
    • Kunjimon Thekypeedikayil Kuttyamu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    System for supression of underdamped oscillations in ac power drawn...
    • Patent number 4,494,050
    • Issue date Jan 15, 1985
    • The Broken Hill Proprietary Company Limited
    • Noel R. Godfrey
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power control of a stalling motor
    • Patent number 4,322,668
    • Issue date Mar 30, 1982
    • Canadian General Electric Company Ltd.
    • Ronald C. Trussler
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    On-line switching between two control parameters
    • Patent number 4,234,832
    • Issue date Nov 18, 1980
    • Aluminum Company of America
    • Louis H. Dreinhoefer
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Over-speed preventing apparatus for DC motor
    • Patent number 4,031,439
    • Issue date Jun 21, 1977
    • Hitachi, Ltd.
    • Yoshio Sakai
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator speed control system
    • Patent number 4,027,745
    • Issue date Jun 7, 1977
    • Mitsubishi Denki Kabushiki Kaisha
    • Eiki Watanabe
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Method and means for measuring the torque delivered by an electric...
    • Patent number 3,965,407
    • Issue date Jun 22, 1976
    • Bucyrus-Erie Company
    • Thomas A. Stoner
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3867678
    • Patent number 3,867,678
    • Issue date Feb 18, 1975
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3826961
    • Patent number 3,826,961
    • Issue date Jul 30, 1974
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3706017
    • Patent number 3,706,017
    • Issue date Dec 12, 1972
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3590350
    • Patent number 3,590,350
    • Issue date Jun 29, 1971
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3553551
    • Patent number 3,553,551
    • Issue date Jan 5, 1971
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3492554
    • Patent number 3,492,554
    • Issue date Jan 27, 1970
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3470438
    • Patent number 3,470,438
    • Issue date Sep 30, 1969
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3407904
    • Patent number 3,407,904
    • Issue date Oct 29, 1968
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3365637
    • Patent number 3,365,637
    • Issue date Jan 23, 1968
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3324363
    • Patent number 3,324,363
    • Issue date Jun 6, 1967
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3305721
    • Patent number 3,305,721
    • Issue date Feb 21, 1967
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3297110
    • Patent number 3,297,110
    • Issue date Jan 10, 1967
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    3242407
    • Patent number 3,242,407
    • Issue date Mar 22, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3238374
    • Patent number 3,238,374
    • Issue date Mar 1, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3237074
    • Patent number 3,237,074
    • Issue date Feb 22, 1966
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3219900
    • Patent number 3,219,900
    • Issue date Nov 23, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3193696
    • Patent number 3,193,696
    • Issue date Jul 6, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3192482
    • Patent number 3,192,482
    • Issue date Jun 29, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3189809
    • Patent number 3,189,809
    • Issue date Jun 15, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3166700
    • Patent number 3,166,700
    • Issue date Jan 19, 1965
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3155891
    • Patent number 3,155,891
    • Issue date Nov 3, 1964
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    3095530
    • Patent number 3,095,530
    • Issue date Jun 25, 1963
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3077554
    • Patent number 3,077,554
    • Issue date Feb 12, 1963
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    ENERGY EFFICIENT MOTOR-GENERATOR
    • Publication number 20230044966
    • Publication date Feb 9, 2023
    • PAL-K Dynamics Inc.
    • Kunjimon Thekypeedikayil Kuttyamu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER